The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 17, 2013

Filed:

May. 08, 2007
Applicants:

Sushovon S. Roy, Houston, TX (US);

Daniel F. Dorffer, Houston, TX (US);

Donald L. Crawford, Spring, TX (US);

Inventors:

Sushovon S. Roy, Houston, TX (US);

Daniel F. Dorffer, Houston, TX (US);

Donald L. Crawford, Spring, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 1/28 (2006.01); G01V 3/18 (2006.01); E21B 41/10 (2006.01); E21B 49/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and method for measuring the conductivity of borehole fluid. Based on the fluid conductivity, the fluid type may also be identified. The apparatus and method can be useful in differentiating between native water and injected water in oil recovery operations. The apparatus and method presented can also be used to calibrate testing and production equipment allowing for more reliable and accurate measurements. The apparatus and method presented can further be used to better characterize water to oil ratio in reservoirs.


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